Science
Gaia ‘discovery machine’ updates star catalogue – BBC News
The world’s most productive astronomical facility releases its third big tranche of sky data.

By Jonathan AmosBBC Science Correspondent
image copyrightESA/Gaia/DPAC
image captionGaia data can predict how stars will move across the sky in the next 400 thousand years
It’s been described as the “ultimate book of the heavens” – a catalogue of stars in our Milky Way Galaxy assembled by Europe’s Gaia Space Telescope.
On Thursday, scientists gave an update on how its survey is progressing.
So far, Gaia has plotted the precise positions of more than 1.8 billion stars; and for most of these, it…
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